NX 45-A - Speaker RCF - Free user manual and instructions
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| Product Type | Active PA Speaker |
| Model | NX 45-A |
| Brand | RCF |
| Dimensions (H x W x D) | 280 x 180 x 200 mm (11.0 x 7.1 x 7.9 in) |
| Weight | 4.5 kg (9.9 lbs) |
| Amplifier Power | 200 W RMS (Class D) |
| Frequency Response | 70 Hz – 20 kHz (-3 dB) |
| Maximum SPL | 118 dB (peak) |
| Driver Configuration | 1 x 4.5" woofer, 1 x 1" tweeter |
| Input Connectors | 1 x XLR-1/4" combo, 1 x RCA |
| Output Connectors | 1 x XLR link output |
| Power Output (amplifier) | 200W RMS, 400W peak |
| Housing Material | Polypropylene composite |
| Grille | Steel with acoustic foam |
| Power Supply | 100-240 V ~, 50/60 Hz (IEC inlet) |
| Consumption | 100 VA max |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Mounting | Pole mount socket (35 mm), floor monitor shape |
| Maintenance & Cleaning | Wipe with a dry cloth; do not use solvents. Clean grille with vacuum. |
| Safety | Use only with grounded outlet. Do not expose to rain or moisture. |
| Spare Parts / Repairability | Contact RCF service for replacement drivers or amplifier modules. |
| General Information | 2-way active PA speaker suitable for portable and installed sound reinforcement. |
Frequently Asked Questions - NX 45-A RCF
How do I connect the NX 45-A to a mixer?
Use a balanced XLR or 1/4" TRS cable from the mixer output to the combo input on the speaker. Ensure the speaker is powered off during connection.
Can I use the NX 45-A as a floor monitor?
Yes, the cabinet is shaped for use as a wedge monitor. Place it on its side with the grille facing the performer.
What is the maximum distance for connecting the speaker?
For balanced XLR cables, you can run up to 100 meters (330 feet) without signal loss. Unbalanced RCA cables should be kept under 10 meters (33 feet).
How do I mount the speaker on a stand?
Insert a 35 mm pole into the built-in socket on the bottom of the speaker. Ensure the stand is stable and the speaker is secured with a safety strap if possible.
What should I do if the speaker does not power on?
Check the IEC power cable connection and ensure the outlet is live. Verify the power switch is on. If still off, contact RCF service.
Can I daisy-chain multiple NX 45-A speakers?
Yes, use the XLR link output to connect to the next speaker's input. Keep the total impedance load within the amplifier's limits.
What is the recommended cleaning procedure?
Unplug the speaker. Wipe the exterior with a dry, soft cloth. For the grille, use a vacuum with a brush attachment. Avoid liquids.
Is the NX 45-A suitable for outdoor use?
It is designed for indoor use only. If using outdoors, protect from rain and direct sunlight. Do not expose to moisture.
How do I reduce feedback when using a microphone?
Position the speaker in front of the microphone, not behind it. Use a high-pass filter and reduce gain. Keep volume at moderate levels.
What is the warranty period for the NX 45-A?
RCF typically offers a 2-year warranty on active speakers. Check your local dealer or RCF website for details.
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USER MANUAL NX 45-A RCF
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Product information
Brand : RCF
Model : NX 45-A
Category : Speaker